JP2000251407A - Music data distribution system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To create a personal original CD from distribution of music data. SOLUTION: A broadcasting station 100 of this music data distribution transmits PCM music data reguested from a customer device 200 to the customer device 200 by a broadcasting system after processing the data by scrambling. After the customer device 200 receives the scrambled PCM music data and stores them once in a memory part 230, it notifies the broadcastinq station 100 of the reception response of the PCM music via a telephone line 400, etc. The broadcasting station 100 receives the reception response of the PCM music data from the customer and transmits descramblin,g information of the PCM music data to the customer device 200 via the telephone line 400, and the customer uses this descrambling information to descramble the PCM music data and records them in an original CD writing device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music data distribution system, and more particularly to a music data distribution system capable of creating an original CD composed only of favorite music.

[0002]

2. Description of the Related Art Hitherto, as a method of creating an individual's original CD, it has been possible to borrow a plurality of music CDs from a rental company and to reproduce and edit the music as appropriate. Currently, digital radio broadcasting is performed by CS digital satellite broadcasting. In this digital radio broadcast, distribution of music data by digital data is performed, and a customer who has a digital radio broadcast reception contract can record the distributed music data on a CD, MD, or the like. Therefore, it can be created by editing the distributed music data and recording it on a CD.

[0003]

Conventionally, in order for an individual to create an original CD, it is necessary to borrow and edit the CD from a CD rental company, but since music CDs are stored for each artist, a plurality of music CDs are provided. There is a problem that the rental cost is high.

[0004] In the digital radio broadcasting of CS digital satellite broadcasting currently implemented, music data to be broadcast is data edited by a broadcasting station, and usually, the distribution time of music desired by an individual is discrete. Therefore, a complicated editing operation was required to record as an individual original CD, and it could not be performed efficiently. In addition, this distribution service does not take copyright considerations into consideration, and there is a problem that any number of subscribers can record.

(Object of the Invention) It is an object of the present invention to provide a music data distribution system capable of easily creating a personal original CD.

[0006]

A music data distribution system according to the present invention is a music data distribution system in which a customer distributes music data for creating an original CD by a broadcasting method, wherein the broadcasting station includes PCM music data. PC
M database, and P of music requested by customer
The CM music data is concealed by scrambling and transmitted, and the scramble information is transmitted on a separate line in response to the PCM music data reception response from the customer, and the customer receives the PCM music data of the music transmitted from the broadcasting station. Then, by transmitting the reception response to the broadcasting station through the separate line, receiving the scramble information transmitted by the broadcasting station, performing a descrambling process on the PCM music data, recording the descrambled data on a music CD, and recording the original music. It is characterized by creating a CD.

[0007] In the music data distribution system, the broadcasting station holds a customer database including a history of music pieces of PCM music data used for each customer, and registers music pieces of PCM music data transmitted to the customer. , Charge calculation is performed.

Further, in the music data distribution system, if the music piece of the PCM music data transmitted to the customer is already registered in the customer database, the broadcasting station prohibits the customer from transmitting the PCM music data. Notifying the customer to that effect, or when the music of the PCM music data transmitted to the customer is already registered in the customer database,
While transmitting the PCM music data to the customer,
It is characterized in that a notice that the fee increases according to the number of times the same music is used is characterized.

In the music data distribution system described above, the broadcasting station transmits the PCM music data via a satellite broadcasting line or a telephone line, and transmits the scramble information from the broadcasting station and the reception response from the customer. The another line to be performed is a telephone line.

More specifically, the broadcasting station has a PCM database of PCM music data and a customer database of usage history of PCM music data for each customer. On the customer side,
A board for receiving PCM music data transmitted through a satellite, a CD writing device for creating a music CD, a modem for transmitting necessary information to a broadcasting station, a personal computer (PC) for controlling these
With. The customer wants the music he wants to hear
In order to write to D, a selection is made from among the data stored in the PCM database, and the selected music is notified to the broadcasting station side. The broadcasting station reads the PCM music data of the music transmitted from the customer from the PCM database in the station,
The CM music data is encrypted by scrambling and transferred to the customer via a satellite. At the same time as transferring, register the music used by the customer in the customer database, and
Calculate the fee. The customer temporarily records the transmitted PCM music data on a hard disk in the PC. When the customer has received all the required songs, the broadcast station is notified of the reception response to that effect. Upon receiving this notification, the broadcasting station transmits descrambled PCM music data that has been scrambled and transmitted, and transmits scramble information for returning the descrambled data to the customer. After receiving the scramble information, the customer descrambles the PCM music data recorded on the hard disk of the PC and outputs the CD
Input to the creation device and create your own original CD.

(Operation) The broadcasting station operates the PC requested by the customer.
The M music data is scrambled and transmitted to the customer by a broadcasting method. The customer receives the scrambled PCM music data, temporarily stores the scrambled PCM music data in the storage unit, and notifies the broadcast station of the reception response of the PCM music data. The broadcasting station receives the PCM music data reception response from the customer, and transmits the descramble information of the PCM music data to the customer. The customer descrambles the PCM music data using the descramble information to produce the original CD. Record.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Description of Configuration) A first embodiment of a music data distribution system according to the present invention will be described. FIG. 1 is a diagram of a music data distribution system according to the present embodiment. In this embodiment, the broadcasting station 100 and the satellite 3
And a customer device 200 that receives data from the broadcasting station 100 via the Internet.

The broadcasting station 100 is directed to a music database 110 in which music is recorded as PCM music data (hereinafter, also referred to as “PCM data”), a customer database 120 in which usage results of each customer are recorded, and a satellite 300. Uplink device 130 and antenna 140 for transmitting radio waves
Consists of The music database 110 is composed of music number, music title, and PCM data of music used by the customer for each music. The customer database 120 includes information on the used music number, the number of times the music is used, and the usage fee for each customer.

The customer device 200 includes an antenna 210 for receiving radio waves from the satellite 300, a receiving board 220, a hard disk 230 for temporarily storing received data, and a PCM.
A CD writing device 240 for writing data to a CD, a modem 250 for transmitting / receiving information to / from a broadcasting station, and a personal computer (hereinafter, referred to as “PC”) for controlling these.
260, a monitor 27 for displaying the screen of the PC 260
It consists of 0.

(Description of Operation) The operation of this embodiment will be described with reference to the system diagram shown in FIG. First, broadcast station 1
00 transmits information such as a song number and a song name to the customer device 200 based on the information in the song database 110.
The customer device 200 receives this information and displays it on the monitor 260. Based on the displayed information, the customer selects one or a plurality of songs in his or her desired order based on the song number or the like, and sends the song number to the broadcasting station 100 via the telephone line using the modem 250. And inform the customer number.

The broadcasting station 100 stores a customer database 12 based on the music number and the customer number transmitted from the customer.
The data of 0 is updated. Next, the PCM data of the singular or a plurality of songs in the specified order requested by the customer is read out from the song database 110 and scrambled so as to be used only by the requested customer.
Along with the program for controlling the CD writing device 240, the data is transmitted to the satellite 300 via the uplink device 130 and the transmission antenna 140.

In the customer device 200, the PCM data and the control program transmitted from the satellite 300 are received by the antenna 210, demodulated into digital data by the receiving board 220, and temporarily recorded on the hard disk 230.
However, at this point, the scramble performed by the broadcast station 100 has not been released. After confirming that the customer has received the desired music data, the customer notifies the broadcasting station 100 that the reception has been completed.

When the broadcast station 100 receives from the customer that the reception of the desired music data has been completed, the broadcast station 100 transmits information for descrambling to the customer device 200 via the telephone line. At this time, a billing process is performed based on a fee determined in advance, and the fee information in the customer database 120 is updated.

The customer device 200 descrambles the PCM data temporarily recorded in the HDD 230 based on the received descramble information, and
CD writing device 24 transmitted with M data
PCM data using a program that controls
Write to. When all the PCM data has been written, the program that controls the CD writer 240 is automatically erased, thereby preventing an unauthorized CD from being created.

(Other Embodiments) Next, other embodiments of the music data distribution system of the present invention will be described below. In the first embodiment, the broadcast station is configured to transmit the PCM data of the music selected by the customer to the customer unconditionally. Since such a system is a method in which a fee is charged each time the distribution is used once, it seems seemingly reasonable. However, in this system, the customer can create any number of CDs composed of the same music, and there is a problem from the viewpoint of copyright.

As a second embodiment, when a music data distribution request is made from a customer, the broadcast station refers to the database 100 and checks whether or not the same music has been selected from the customer database 120 in the past, If the music is being used, a message that the PCM data of the music cannot be transmitted is transmitted to the customer device 200, and the P
The processing system is configured to prohibit transmission processing of CM data. Since the customer cannot repeatedly receive the PCM data of the same music from the broadcasting station, it is possible to avoid a copyright problem.

Next, since a copyright problem can be solved depending on the usage fee even if the system allows the PCM data of the same music to be used any number of times, the usage fee on the customer side increases. In some cases, it may be reasonable to make music that has been used in the past available again if the condition that the music is acceptable is acceptable.

In the third embodiment, a system configuration is such that if the same music has been selected in the past with reference to the customer database 120, the fee will be higher according to the number of times the music has been used. The PCM data of the music requested by the customer is checked with reference to the customer database to determine how many times the same music has been used in the past. For example, charge calculation is performed so that the usage charge increases in proportion to the number of times of use, and Music P
When transmitting the CM data, it is configured to transmit to the customer device 200 that the fee will be higher or the calculated fee amount.

In the above-described embodiment, PCM data is distributed using a satellite line. However, in a fourth embodiment, data is distributed using a telephone line instead of a satellite. can do. In the case of using a satellite, there is an advantage that data can be distributed from the broadcasting station to the customer at a high speed, but the system on the broadcasting station becomes large and the capital investment becomes large. In contrast, the use of a telephone line has the advantage that such a problem can be solved by using a modem and an existing system.

[0025]

According to the present invention, the PCM data of a desired music piece can be distributed from a broadcasting station and recorded on a music CD, so that a user can easily create a music CD composed only of his favorite music pieces. Can be created.

Also, the music provider provides a PC to the broadcasting station.
It is only necessary to construct an M database, there is no need to press a music CD, and there is no fear of having a distribution inventory.

Further, the creation of PCM data is also necessary when creating a conventional music CD, and the existing data creation system can be used as it is.

[Brief description of the drawings]

FIG. 1 is a diagram showing a music data distribution system of the present invention.

[Explanation of symbols]

 100 Broadcasting Station 110 PCM Database 120 Customer Database 130 Uplink Device 140 Transmission Antenna 200 Customer Device 210 Receiving Antenna 220 Receiving Board 230 Hard Disk 240 CD Writing Device 250 Modem 260 Personal Computer 300 Satellite 400 Telephone Line

Claims (5)

[Claims] In a music data distribution system for distributing music data for a customer to create an original CD by a broadcasting method, a broadcasting station holds a PCM database including PCM music data, and stores a PCM database containing music data requested by the customer. The PCM music data is concealed by scrambling and transmitted, and the scramble information is transmitted on a separate line in response to the reception response of the PCM music data from the customer. The customer receives the PCM music data of the music transmitted from the broadcasting station. Then, by transmitting the reception response to the broadcasting station through the separate line, receiving the scramble information transmitted by the broadcasting station, performing a descrambling process on the PCM music data, recording the descrambled data on a music CD, and recording the original music. A music data distribution system for creating a CD. 2. A broadcast station stores a customer database including a history of music pieces of PCM music data used for each customer, registers music pieces of PCM music data transmitted to the customer, and calculates a fee. The music data distribution system according to claim 1, wherein: 3. The broadcast station, if the music of the PCM music data transmitted to the customer is already registered in the customer database, prohibits the customer from transmitting the PCM music data,
3. The system according to claim 2, wherein the customer is notified of the fact.
Music data distribution system as described. 4. The broadcasting station, if the music of the PCM music data transmitted to the customer has been registered in the customer database, transmits the PCM music data to the customer and charges the music in accordance with the number of uses of the same music. 3. The music data distribution system according to claim 2, wherein the music data distribution system notifies that the music data is high. 5. A broadcasting station transmits PCM music data via a satellite broadcasting line or a telephone line, and transmits the scramble information from the broadcasting station and the reception response from a customer. 5. The music data distribution system according to claim 1, wherein the music data is distributed.